Used as a key intermediate in the synthesis of antiviral agents, particularly in the development of hepatitis C virus (HCV) inhibitors. Its structure supports selective binding to viral enzymes, enhancing drug potency. Commonly employed in medicinal chemistry for constructing protease inhibitors due to its chiral stability and functional group compatibility. Also utilized in asymmetric synthesis where the tert-butyl carbamate group acts as a protecting group, allowing controlled reaction steps in multi-stage drug manufacturing.